申请人:Smith Kline & French Laboratories Limited
公开号:US04547512A1
公开(公告)日:1985-10-15
This invention relates to 2-amino-3-hydroxy, and 3-carboxy pyridine derivatives, in which the amino group is substituted by a methylthioethyl, butyl or oxypropyl group bearing a terminal heterocyclic group. The compounds have histamine H.sub.2 -antagonist activity. A specific compound of this invention is 2-[2-(2-guanidino-4-thiazolylmethylthio)ethyl]amino pyridine 3-carboxylic acid.
本发明涉及2-氨基-3-羟基和3-羧基吡啶衍生物,其中氨基基团被甲硫基乙基、丁基或氧丙基取代,这些基团带有一个末端杂环基团。这些化合物具有组胺H.sub.2-拮抗活性。本发明的一个具体化合物是2-[2-(2-鸟氨酸-4-噻唑基甲硫基)乙基]氨基吡啶-3-羧酸。